def test_empty():
"""
test if list is empty
:return:
"""
with pytest.raises(ValueError):
bsearch.bin_search([], 0)
def test_not_found():
"""
test if number equals 0
:return:
"""
with pytest.raises(ValueError):
bsearch.bin_search([1, 2, 3], 0)
def test_dup():
"""
find 2 in the list
:return:
"""
assert bsearch.bin_search([1, 2, 2, 2, 2, 2, 3, 3], 2) == 3
def test_odd():
"""
find 2 in the list
:return:
"""
assert bsearch.bin_search([1, 2, 3, 4, 5, 6, 7], 2) == 1